There were five special elections to the United States House of Representatives in 1927 during the 70th United States Congress.
Elections are listed by date and district.
|- | | Ladislas Lazaro | | Democratic | 1912 | | Incumbent died March 30, 1927.<br/>New member elected August 23, 1927.<br/>Democratic hold. | nowrwap |
|- | | Maurice E. Crumpacker | | Republican | 1924 | | Incumbent died July 24, 1927.<br/>New member elected October 18, 1827.<br/>Republican hold. | nowrwap |
|- | | Walter W. Magee | | Republican | 1914 | | Incumbent died May 25, 1927.<br/>New member elected November 8, 1927.<br/>Republican hold. | nowrwap |
|- | | Ambrose E. B. Stephens | | Republican | 1918 | | Incumbent died February 12, 1927.<br/>New member elected November 8, 1927.<br/>Republican hold. | nowrap |
|- | | James M. Hazlett | | Republican | 1926 | | Incumbent resigned October 20, 1927.<br/>New member elected November 8, 1927.<br/>Republican hold. | nowrwap |
|- | | William N. Vaile | | Republican | 1918 | | Incumbent died July 2, 1927.<br/>New member elected November 15, 1927.<br/>Democratic gain. | nowrap |